<template>
  <div class="app-container">

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:location:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="info" plain icon="el-icon-sort" size="mini" @click="toggleExpandAll">展开/折叠</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table
    v-if="refreshTable"
    v-loading="loading"
    :data="locationList"
    row-key="locationId"
    :default-expand-all="isExpandAll"
    :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
    border>
      <el-table-column label="存放名称" align="center" prop="locationName" :min-width="40"/>
      <el-table-column label="排序" align="center" prop="sort" :min-width="30"/>
      <el-table-column label="描述" align="center" prop="description" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width" :min-width="20">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:location:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:location:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改存放位置对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="存放名称" prop="locationName">
         <!-- <el-input v-model="form.locationName" placeholder="请输入存放名称" /> -->
          <el-input
             type="text"
             maxlength="10"
             v-model="form.locationName"
             placeholder="请输入存放名称"
              show-word-limit
          ></el-input>
        </el-form-item>
       <!-- <el-form-item label="父级编号" prop="parentId">
          <el-input v-model="form.parentId" placeholder="请输入父级编号" />
        </el-form-item> -->
        <el-form-item label="上级位置" prop="parentId">
          <treeselect v-model="form.parentId" :options="locationOptions" :normalizer="normalizer" placeholder="请选择上级位置" />
        </el-form-item>
        <el-form-item label="排序" prop="sort">
        <!-- <el-input v-model="form.sort" placeholder="请输入排序" /> -->
          <el-input-number v-model="form.sort" controls-position="right" :min="1" :max="10"></el-input-number>
        </el-form-item>
        <el-form-item label="描述" prop="description">
          <el-input v-model="form.description" placeholder="请输入描述" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listLocation, getLocation, delLocation, addLocation, updateLocation } from "@/api/eam-wx/location";
 import Treeselect from "@riophae/vue-treeselect";
  import "@riophae/vue-treeselect/dist/vue-treeselect.css";

export default {
  name: "Location",
   components: { Treeselect },
  data() {
    return {
      // 部门树选项
      locationOptions: [],
      // 重新渲染表格状态
      refreshTable: true,
      // 是否展开，默认全部折叠
      isExpandAll: true,
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 存放位置表格数据
      locationList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        locationName: null,
        parentId: null,
        sort: null,
        desc: null,
        creator: null,
        createTime: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询存放位置列表 */
    getList() {
      this.loading = true;
      listLocation(this.queryParams).then(response => {
        this.locationList = this.handleTree(response.rows,'locationId')
        this.total = response.total;
        this.loading = false;
      });
    },
    /** 展开/折叠操作 */
    toggleExpandAll() {
      this.refreshTable = false;
      this.isExpandAll = !this.isExpandAll;
      this.$nextTick(() => {
        this.refreshTable = true;
      });
    },
    /** 转换存放位置数据结构 */
    normalizer(node) {
      if (node.children && !node.children.length) {
        delete node.children;
      }
      return {
        id: node.locationId,
        label: node.locationName,
        children: node.children
      };
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        locationId: null,
        locationName: null,
        parentId: null,
        sort: null,
        desc: null,
        creator: null,
        createTime: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.locationId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加存放位置";
      listLocation(this.queryParams).then(response => {
        this.locationOptions = this.handleTree(response.rows,'locationId')
      });
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const locationId = row.locationId || this.ids
      getLocation(locationId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改存放位置";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.locationId != null) {
            updateLocation(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addLocation(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const locationIds = row.locationId || this.ids;
      this.$modal.confirm('是否确认删除存放位置编号为"' + locationIds + '"的数据项？').then(function() {
        return delLocation(locationIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('system/location/export', {
        ...this.queryParams
      }, `location_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
